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<div id="main_div" class="container" style="padding-left: 25px; padding-right: 25px">
	<h2> 提交记录 6464 </h2>
	<hr />
	
	<div class="row">
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				<tr>
					<th class="col-xs-2"> 用户 </th>
					<th class="col-xs-3"> 题目 </th>
					<th class="col-xs-2"> 状态 </th>
					<th class="col-xs-1"> 得分 </th>
					<th class="col-xs-1"> 用时 </th>
					<th class="col-xs-1"> 内存 </th>
					<th class="col-xs-1"> 语言 </th>
					<th class="col-xs-1"> 代码长度 </th>
				</tr>
				<tr>
					<td style='font-size:13px'> <a href='/user/profile/WAAutoMaton/index.html'> WAAutoMaton </a> </td>
<td> <a data-toggle="collapse" href="#detail_1" aria-expanded="false" aria-controls="detail_1">显示更多</a>
<a href="http://www.iis7.com" id="c4586689fbd74b2cae92979b9cd4b07e" style="display:inline-block;background-color:;color:#fff;padding:2px 5px;font-family:arial;font-size:12px;font-weight:bold;" target="_blank" class="c4586689fbd74b2cae92979b9cd4b07e" >iis7站长之家</a> </td>
<td> Accepted </td>
<td> 100 </td>
<td style='font-size:13px'> 452.198 ms </td>
<td style='font-size:13px'> 76 MB + 708 KB </td>
<td style='font-size:13px'> C++11 </td>
<td style='font-size:13px'> 2.44 KB </td>
				</tr>
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				<tr>
					<th class="col-xs-6"> 提交时间 </th>
					<th class="col-xs-6"> 评测时间 </th>
				</tr>
				<tr>
					<td style='font-size:13px'> 2018-10-15 19:29:43 </td>
<td style='font-size:13px'> 2019-01-19 14:46:32 </td>
				</tr>
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				<label for="code"> 代码 </label>
				<pre style="background-color:white"><code class="cpp">/*+lmake
 * DEFINE += MDEBUG
 * STD = c++11
 */
#include &lt;algorithm&gt;
#include &lt;math.h&gt;
using namespace std;
#ifdef MDEBUG
#define debug(args...)                                                                             \
    {                                                                                              \
        dbg, args;                                                                                 \
        cerr &lt;&lt; endl;                                                                              \
    }
#define massert(x) assert(x)
#else
#define debug(args...) // Just strip off all debug tokens
#define massert(x)
#endif
typedef long long LL;
typedef unsigned long long ULL;

#define MAXN 4000000
template &lt;typename Double&gt;
struct Complex
{
    Double r, i;
    Complex(Double r = 0, Double i = 0)
        : r(r)
        , i(i)
    {
    }
    inline Double real() { return r; }
    inline Double imag() { return i; }
};
using complex_t = Complex&lt;double&gt;;
complex_t operator+(const complex_t &amp;a, const complex_t &amp;b)
{
    return { a.r + b.r, a.i + b.i };
}
complex_t operator-(const complex_t &amp;a, const complex_t &amp;b)
{
    return { a.r - b.r, a.i - b.i };
}
complex_t operator*(const complex_t &amp;a, const complex_t &amp;b)
{
    return { a.r * b.r - a.i * b.i, a.r * b.i + a.i * b.r };
}
complex_t a[MAXN + 10];
int rev[MAXN + 10];
const double pi = acos(-1);
void fft(int n, complex_t *a, int flag)
{
    rev[0] = 0;
    for (int i = 1; i &lt; n; ++i)
        rev[i] = rev[i / 2] / 2 + (i % 2) * (n / 2);
    for (int i = 0; i &lt; n; ++i)
        if (i &lt; rev[i])
            swap(a[i], a[rev[i]]);
    for (int i = 1; i &lt; n; i *= 2) {
        int nn = i * 2;
        complex_t wn = (complex_t){ cos(2 * pi / nn), flag * sin(2 * pi / nn) };
        for (int j = 0; j &lt; n; j += nn) {
            complex_t *a1 = a + j, *a2 = a1 + i;
            complex_t w = (complex_t){ 1, 0 };
            for (int k = 0; k &lt; i; ++k) {
                complex_t x = a1[k], y = w * a2[k];
                a1[k] = x + y;
                a2[k] = x - y;
                w = w * wn;
            }
        }
    }
}
void poly_multiply(unsigned *aa, int n, unsigned *bb, int m, unsigned *c)
{
	for(int i=0; i&lt;=n; ++i) a[i].r=aa[i];
	for(int i=0; i&lt;=m; ++i) a[i].i=bb[i];
    LL l = 1;
    for (; l &lt;= n + m; l *= 2)
        ;
    fft(l, a, 1);
    for (int i = 0; i &lt;= l; ++i) {
        a[i] = a[i] * a[i];
    }
    fft(l, a, -1);
	for(int i=0; i&lt;=n+m; ++i) {
		c[i]=unsigned((a[i].i/(2*l))+0.5);
	}
}
</code></pre>
				<br />
				
				<label for="result"> 评测结果 </label><div class="row"><div class="col-xs-12"><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Compilation</b></td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">Compile OK</td><td class="col-xs-2" style="vertical-align:middle">Score: N/A</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_1" aria-expanded="false" aria-controls="detail_1">显示更多</a></td></tr></table></div><div class="collapse" id="detail_1"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>Compiling...
Compile success!
</textarea></div></div><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Testcase #1</b></td><td class="col-xs-2" style="vertical-align:middle">452.198 ms</td><td class="col-xs-2" style="vertical-align:middle">76 MB + 708 KB</td><td class="col-xs-2" style="vertical-align:middle">Accepted</td><td class="col-xs-2" style="vertical-align:middle">Score: 100</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_2" aria-expanded="false" aria-controls="detail_2">显示更多</a></td></tr></table></div><div class="collapse" id="detail_2"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>verdict = Run Finished
time_ms = 452.197963
mem_kb = 78532
Correct Answer
</textarea></div></div></div></div>
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